Tank Dual Flush Fill Toilet Dual Toilet Flush Valve Push Button Replacement | eBay
3 inch Dual Flush Valve Replacement for One Piece Toilet Repair Kit Parts Tank Drain (3.18”-3.5”),A2201 - - Amazon.com
Mansfield 4.25-in Plastic Flush Valve Assembly for Use In Summit Dual Flush Tanks, Model #3386 in the Residential Toilet Flush Valves & Repair Parts department at Lowes.com
Fluidmaster Dual flush valve 3-in Black Plastic Dual Flush Conversion Valve in the Residential Toilet Flush Valves & Repair Parts department at Lowes.com
T Tulead Toilet Push Button Valve Replacement Flush Toilet Dual Flush Drain Valve 250mm/10" Height, Fit for Drainage Hole 65-75mm - - Amazon.com
3 Inch Toilet Dual Flush Valve with Big Outlet - China Toilet Flush Valve and 3 Inch Toilet